While Bowser motors tend to be sturdy and long-lasting, if they fail in your single truck Birney you’re up the creek as far as getting factory replacements, since Bowser doesn’t make 'em any more…
Here is the Razorback Traction Co’s Bowser Birney with two blown power trucks. The DC65 (center) threw several commutator sections, while the open frame motor has a burned coil. We’ll be using parts from both trucks, as well as a 1960s Japanese slot car motor to make one complete working truck…
Initial disassembly, showing the underside and the worm gear on the open frame motor.
Most model train wheel/gear pullers are modified automotive battery terminal pullers, used when the battery cable on your car is corroded tightly to the battery terminal. If y